45 Degree Elbows

Advantages of Using 45 Degree Elbows

Table of contents

  • What is a 45-Degree Elbow?
  • Benefits of Using 45-Degree Elbows in Construction and Infrastructure Projects
  • Dimensions of 45-Degree Elbows
  • Weight Chart for 45-Degree Street Elbows
  • Materials and Grades for 3-Inch 45-Degree Elbows
  • How to Calculate the Center of a 45-Degree Elbow
  • Pressure Rating of 45-Degree Elbows
  • Calculating the Length of a 45-Degree Elbow
  • Features of 45-Degree Stainless Steel Elbows
  • Disadvantages of 45-Degree Pipe Elbows
  • Applications of 45-Degree Long Radius Pipe Elbows

What is a 45-Degree Elbow?

A 45-degree elbow is a type of pipe fitting used to change the direction of flow by 45 degrees. It helps maintain smooth fluid flow, reduce pressure loss, and prevent turbulence, which can affect the overall efficiency of the system.

Discover the Benefits of Using 45-Degree Elbows in Construction and Infrastructure Projects

Advantages of Using 45-Degree Elbows in Construction and Infrastructure Projects

  • Versatility
  • Easy Installation
  • Improved Water Flow
  • Cost-Effective
  • Enhanced Aesthetics
  • Increased Flow Efficiency
  • Reduced Pressure Loss
  • Smooth Fluid Flow
  • Minimized Erosion
  • Improved System Performance
Advantages of Using 45 Degree Elbows In Construction and Infrastructure Projects

Understand the Sizes and Dimensions of 45-Degree Pipe Elbows

The size and dimensions of a 45-degree pipe elbow are crucial for ensuring a proper connection within the piping system. Matching the fitting size with the pipe diameter is essential to avoid leaks, structural damage, or inefficiencies in the system.

45-Degree Elbow Dimensions

45 Degree Elbow Dimensions

NPS OD at Bevel Center to End
45 degree B
1/2 21.3 15.7
1 33.4 22.4
1-1/2 48.3 28.4
2 60.3 35.1
3 88.9 50.8
4 114.3 63.5
6 168.3 95.2
10 273.1 158.8
14 355.6 222.2
18 457.2 285.8
22 558.8 342.9
26 660.4 406.4
30 762 469.9
34 863.6 533.4
38 965.2 599.9
42 1066.8 660.4
46 1168.4 726.9
52 1320.8 –
56 1422.4 883.8
66 1676.4 1041.6
72 1829 1137
80 2032 1263

Check the Weight Chart for 45-Degree Long Radius Pipe Elbows

Knowing the weight of a 45-degree long radius elbow is important for safe handling and installation. The weight also plays a role in determining the cost of the fitting for the entire piping system.

45-Degree Street Elbow Weight Chart

NPS in inch Sched XXS
in kilogram		 Sched 160
in kilogram		 Sched XS
in kilogram		 Sched STD
in kilogram
1/2       .04
3/4 .08   .07 .04
1 .18 .17 .13 .11
1 1/4 .25 .23 .20 .15
1 1/2 .52 .35 .27 .21
2 .96 .79 .47 .35
2 1/2 1.7 1.35 .86 .75
3 2.6 2.0 1.39 1.01
3 1/2 3.9   2.14 1.42
4 4.8 4.3 2.65 1.91
5 8.6 7.65 4.65 3.26
6 14.4 13.5 7.5 5.18
8 27 29 15 10
10   61 24 18
12   104 33 27
14   125 43 33
16   187 59 46
18     77 57
20     92 70
24     133 100
26     164 124
30     214 165
36     318 239
42     428 320
45-Degree Elbows Are Available in Various Materials, Including Stainless Steel, Carbon Steel, and Nickel Alloys

Each material has unique properties that make it suitable for different applications. Below is a list of materials, standards, and grades commonly used for 45-degree elbows, which can help you choose the right one for your project.

3-Inch 45-Degree Elbow Materials and Grades

Material Standards and Grade
Carbon Steel
  • ASTM A105
  • ASTM A694.
  • ASTM A350 LF2
  • DIN 1.0619
  • DIN 1.0402
Incoloy
  • 825
  • 800 / 800H / 800HT
45-Degree Stainless Steel Elbow
  • ASTM A403 WP304 / F304L
  • F316 / F316L
  • F317 / 317L
  • F321 / 321H
  • F347
Copper Nickel 45-Degree Angle Elbow
  • C71500 – 70/30
  • C70600 – 90/10
Alloy Steel 45-Degree Pipe Elbow
  • ASTM A182 F5
  • F11
  • F9
  • F91
  • F22
Titanium 45-Degree Black Elbow
  • Gr 1
  • Gr 2
  • Gr 4
  • Gr 5
  • Gr 7
Inconel 45-Degree Long Radius Pipe Elbow
  • 600
  • 625
  • 601
  • X750
  • 718
Hastelloy 45-Degree LR Pipe Elbow
  • C22
  • C4
  • C276
  • X
  • B2
  • B3
Super Duplex
  • S32750
  • S32760
Nickel Alloy
  • 200
  • 201
45-Degree Aluminum Elbow
  • 6061
  • 6082
  • 6063
  • 5083
  • 1060
  • 1050
Duplex
  • S32205
  • S31803

Calculate the Center of a 45-Degree Elbow

Calculate 45 Degree Elbow Center

45-Degree Angle Elbow Pressure Rating

Temperature Class (lbs)
150 300
oC oF 2 1/2 – 3 inch. 1 1/4 – 2 inch. 1/4 – 1 inch.
-29 to 66 -20 to 150 300 1000 1500 2000
93 200 265 910 1350 1785
121 250 225 825 1200 1575
149 300 185 735 1050 1360
177 350 150 650 900 1150
204 400 – 560 750 935
232 450 – 475 600 725
260 500 – 385 450 510
288 550 – 300 300 300

How to Calculate the Length of a 45-Degree Elbow

Calculate 45 Degree Elbow Length

45-Degree Black Elbows Are Manufactured According to ASME B16.9 Standards

ASME B16.9 is an industrial standard for butt-weld fittings, established by the American Society of Mechanical Engineers. It covers aspects such as sizes, tolerances, pressure ratings, materials, surface finish, and testing requirements for these fittings.

Features of 45-Degree Stainless Steel Elbows

  • Smooth Interior Surface
  • Resistant to Mechanical Stress and High Pressure
  • Durable and Long-Lasting
  • Excellent Performance
  • Easy to Install
  • High Temperature Resistance

Disadvantages of 45-Degree Pipe Elbows

  • Pressure Loss
  • Flow Disruption
  • Requires More Space
  • More Expensive Than Straight Sections
  • Needs Regular Maintenance
  • Limited for Sharp Turns
  • Increases Friction
45 Degree Pipe Elbow Disadvantages

Applications of 45-Degree Long Radius Pipe Elbows

45 Degree Long Radius Pipe Elbow Applications
  • Water Supply Systems
  • Chemical Industry Pipelines
  • Food Processing Pipelines
  • Air Conditioning Systems
  • Electronics Manufacturing
  • Solar Energy Systems
  • Agricultural Irrigation
  • Heating, Ventilation, and Air Conditioning (HVAC) Systems
  • Drainage Systems
  • Gas Distribution Lines

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